[Size] - The combine size of the turn lock clasp is 30mm x 15mm x 6mm/1.18" x 0.59" x 0.24"(L*W*H); Lock Inner Hole Size: 20mm x 7mm/0.79" x 0.28"(L*W); Fit for 2mm/0.08" thickness [Material] - Made of zinc alloy, with hanging plating and oil sealing…